Wolf Induction and Dual Fuel Ranges Code 6020: UIM RS485 network error

What 6020 means

Code 6020 appears on Wolf IRxx50 and Pro IRxx51 induction ranges, such as the IR30450/S/T, and on DFxx50 dual fuel ranges, such as the DF30450/S/P. It means a UIM RS485 network error. The UIM is the user interface module behind the display and keys, and the control lost its data link to it, so the keys or display may stop responding.

Common causes of 6020

Connection between the user interface module and the rest of the range that is loose or damaged
User interface module that is not answering
Control board that cannot communicate with the user interface

✓ One safe check you can try

1. Turn off the oven and all elements. 2. Turn the range breaker off, count to sixty, then restore power. 3. Wait for the display to start and check whether 6020 returns. 4. If it does, stop using the range and call us. Do not open the control panel.

! Why to stop there

Display and network issues need testing with the range open, which owners cannot do safely.
Guessing at the module is expensive if the wiring is the cause.
We quote in writing first and warranty repairs for 30 days.

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

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Other Range codes

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60206020 questions

What is the UIM on my Wolf range?

It is the user interface module, the part behind your display and keys. Code 6020 says the control lost its network link to it, so you may not be able to select anything.

Is the same code used on dual fuel ranges?

Yes. The UIM network message is the same on IR induction and DF dual fuel platforms. You see the written price first, and the repair carries a 30-day workmanship warranty.

My screen is blank. Is it 6020?

Possibly, but a blank screen can have other causes. Tell us what you see, and we will diagnose first and quote in writing before work.